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6LoWPAN Route-Over with End-to-End Fragmentation and Reassembly Using Cross-Layer Adaptive Backoff Exponent.

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Title: 6LoWPAN Route-Over with End-to-End Fragmentation and Reassembly Using Cross-Layer Adaptive Backoff Exponent.
Authors: Awwad, Samer A. B.1 samer_awwad80@yahoo.com, Noordin, Nor K.1 nknordin@upm.edu.my, Ali, Borhanuddin Mohd1 borhan@upm.edu.my, Hashim, Fazirulhisyam1 fazirul@upm.edu.my, Ismail, Nurul Halimatul Asmak2 nha.ismail@gmail.com
Source: Wireless Personal Communications. Jan2018, Vol. 98 Issue 1, p1029-1053. 25p.
Subjects: Internet of things, Storage fragmentation (Computer science), Institute of Electrical & Electronics Engineers, Routing systems, Interference (Telecommunication)
Abstract: In 6LoWPAN, IPv6 packet's fragments are forwarded using multi-hops route-over routing protocols. Although conventional route-over achieves high packet delivery ratio, it has high delay due to the hop-by-hop fragmentation and reassembly. Conversely, enhanced route-over reduces the delay through avoiding the hop-by-hop fragmentation and reassembly. However, it hurts back the packet delivery ratio especially when the number of packet's fragments is high. This paper presents route-over with end-to-end fragmentation and reassembly using adaptive backoff exponent (ROE2E-ABE). In this protocol, MAC and adaptation cross-layer integration is exploited to adapt the backoff process based on number of fragments. Initially, the relationship between the backoff exponent and the number of fragments is derived. The number of fragments is calculated and embedded within the adaptation layer header. When the MAC layer receives the fragment from upper adaptation layer, it retrieves the number of fragments from the header, calculates the backoff parameters and performs the backoff process accordingly. The simulation shows that ROE2E-ABE outperforms both conventional and enhanced route-over routing protocols in terms of packet delivery ratio, average end-to-end delay, average throughput and average energy consumption. The simulation results are validated using testbed implementation. The ABE in ROE2E-ABE manages interferences and improves the route-over routing performance. [ABSTRACT FROM AUTHOR]
Copyright of Wireless Personal Communications is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: In 6LoWPAN, IPv6 packet's fragments are forwarded using multi-hops route-over routing protocols. Although conventional route-over achieves high packet delivery ratio, it has high delay due to the hop-by-hop fragmentation and reassembly. Conversely, enhanced route-over reduces the delay through avoiding the hop-by-hop fragmentation and reassembly. However, it hurts back the packet delivery ratio especially when the number of packet's fragments is high. This paper presents route-over with end-to-end fragmentation and reassembly using adaptive backoff exponent (ROE2E-ABE). In this protocol, MAC and adaptation cross-layer integration is exploited to adapt the backoff process based on number of fragments. Initially, the relationship between the backoff exponent and the number of fragments is derived. The number of fragments is calculated and embedded within the adaptation layer header. When the MAC layer receives the fragment from upper adaptation layer, it retrieves the number of fragments from the header, calculates the backoff parameters and performs the backoff process accordingly. The simulation shows that ROE2E-ABE outperforms both conventional and enhanced route-over routing protocols in terms of packet delivery ratio, average end-to-end delay, average throughput and average energy consumption. The simulation results are validated using testbed implementation. The ABE in ROE2E-ABE manages interferences and improves the route-over routing performance. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Wireless Personal Communications is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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